Add tasks for all the new languages

Task/Collections/Phix/collections-1.phix

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+sequence collection = {}
+collection = append(collection,"one")
+collection = prepend(collection,2)
+? collection -- {2,"one"}

Task/Collections/Phix/collections-2.phix

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+setd("one",0)
+setd(2,0)
+function visitor(object key, object /*data*/, object /*user_data*/)
+    ?key
+    return 1
+end function
+traverse_dict(routine_id("visitor"))    -- shows 2, "one"